RSP Permian is an independent oil and natural gas company, which engages in the acquisition, exploration, exploitation, development, and production of unconventional oil and natural gas reserves.
Intracom Holdings (Intrakom Anonymi Etairia Symmetochon) is a company that specializes in high-tech IT solutions and services, specialized construction projects, and advanced defense electronics systems.
ESS Tech (Energy Storage Systems) is a company that manufactures long-duration energy storage solutions suited for commercial, industrial, utility, microgrid, and off-grid applications.
TESS Holdings (テスホールディングス株式会社, formerly known as Tess Techno Service) is a company that provides engineering, procurement, and construction (EPC) solutions for energy conservation and renewable energy.